Displayport Cable Length Limit 4k

The displayport standard does not specify any maximum length for cables though the displayport 1 2 standard does set a minimum requirement that all cables up to 2 meters in length must support hbr2 speeds 21 6 gbit s and all cables of any length must support rbr speeds 6 48 gbit s.

Displayport cable length limit 4k.

A long time ago i was looking for the maximum length that my displayport cable could be to connect a 1440p 144hz monitor to my 980 ti. While displayport offers support for cables of varying lengths the maximum cable length that dell recommends for optimal performance is 1 8 meters around 6 feet. Dpcp displayport content protection hdcp high definition content protection. What is the maximum length displayport cable that can handle 3840x2160 60hz.

I discovered that the maximum length is about 15 feet give or take a couple feet based on the quality of the cable. It would seem that the answer is only a mere 10 feet but i can t actually find this on the dp site or in any documentation. This decision limited confusion in the market place but set the maximum limit for a certified displayport cable at 5 metres. I ll add that these are the highest quality most expensive cables i could find.

All standard displayport cables support rbr hbr high bit rate and hbr2 high bit rate 2 which can support 4k at 60hz. Displayport to hdmi cable length. Now i m using one 2 meters cable and two 3 meters cables with two active displayport extenders between them to drive a 2560x1440 monitor at 165hz. A standard displayport cable including the so call displayport 1 1 cables will work for any displayport configuration including the new capabilities enabled by displayport 1 2 including 4k and multi stream capabilities.

I realize that it takes some juice to power 4k 60hz but i was really hoping to find a cable that was at least 15 feet long. 2 0 m connector number. Using anything beyond that increases the chances of the risks mentioned previously. I tried huge numbers of cables and different.

Ymmv with cheaper cables.